28039320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1097}}^1$

素因数の和:1185

約数の個数: 96

約数和(自身を含む): 92495520

約数和(自身を除く): 64456200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1097, 1278, 1420, 1704, 2130, 2194, 2556, 2840, 3195, 3291, 4260, 4388, 5112, 5485, 6390, 6582, 8520, 8776, 9873, 10970, 12780, 13164, 16455, 19746, 21940, 25560, 26328, 32910, 39492, 43880, 49365, 65820, 77887, 78984, 98730, 131640, 155774, 197460, 233661, 311548, 389435, 394920, 467322, 623096, 700983, 778870, 934644, 1168305, 1401966, 1557740, 1869288, 2336610, 2803932, 3115480, 3504915, 4673220, 5607864, 7009830, 9346440, 14019660, 28039320]

約数ペア:

[(1, 28039320), (2, 14019660), (3, 9346440), (4, 7009830), (5, 5607864), (6, 4673220), (8, 3504915), (9, 3115480), (10, 2803932), (12, 2336610), (15, 1869288), (18, 1557740), (20, 1401966), (24, 1168305), (30, 934644), (36, 778870), (40, 700983), (45, 623096), (60, 467322), (71, 394920), (72, 389435), (90, 311548), (120, 233661), (142, 197460), (180, 155774), (213, 131640), (284, 98730), (355, 78984), (360, 77887), (426, 65820), (568, 49365), (639, 43880), (710, 39492), (852, 32910), (1065, 26328), (1097, 25560), (1278, 21940), (1420, 19746), (1704, 16455), (2130, 13164), (2194, 12780), (2556, 10970), (2840, 9873), (3195, 8776), (3291, 8520), (4260, 6582), (4388, 6390), (5112, 5485)]